K&N Air Filter Foam Wrap (25-3770) Audi > A4 > (B9.5) 2021-2025 > 2.0 TSI Can handle pressures of 30psi

Can handle pressures of 30psi - 120psi

We estimate that it will take around 4 hours to complete installation of this product

blanking cap and hose coupler complete with oil resistant hose addresses all issues providing the most comprehensive kit available

This part replaces OEM part number 9808798580

the ECM must be reprogrammed with a tune optimised for atmospheric discharge

K&N Air Filter Foam Wrap (25-3770) Audi > A4 > (B9.5) 2021-2025 > 2.0 TSI Can handle pressures of 30psiThe K&N Airforce Pre Cleaner is a specially designed foam filter wrap made to extend the service interval of your K&N air filter when used in very dusty conditions. The Airforce Pre Cleaner is designed to be cleaned with K&N Cleaner or soap & water. Red colored Airforce pre cleaners are oiled with K&N air filter oil after they are cleaned. They are made from large, open cell foam. Gray colored Airforce pre cleaners do not use oil. They have smaller